Holothuroidea - Apodida - Achistridae
Alternative combinations: Achistrulum nicholsoni, Achistrum (Achistrum) nicholsoni
Full reference: R. Etheridge. 1881. On the presence of scattered skeletal remains of Holothuroidea in the Carboniferous limestone series of Scotland. Proceeding of the Royal Physical Society of Edinburgh 6:183-198
Belongs to Achistrum according to A. Boczarowski 2001
See also Deflandre-Rigaud 1952, Deflandre-Rigaud 1962, Etheridge 1881, Garbowska and Wierzbowski 1967, Gilliland 1992, Gutschick 1959, Hampton 1958, Mostler and Rahimi-Yazd 1976, Summerson and Campbell 1958, Wernlund 1977 and Zawidzka 1971
Sister taxa: Achistrum (Achistrum), Achistrum (Aduncrum), Achistrum (Cancellrum), Achistrum (Spinrum), Achistrum beckmanni, Achistrum brevis, Achistrum brevis, Achistrum coloculum, Achistrum frizzelli, Achistrum gamma, Achistrum issleri, Achistrum longirostrum, Achistrum ludwigi, Achistrum monochordata, Achistrum multiperforatum, Achistrum permianum, Achistrum pulchrum, Achistrum triassicum, Achistrum tuto, Achistrum varicum
Ecology: epifaunal detritivore
Distribution:
• Carboniferous of United States (2: Indiana, Kentucky collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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